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From: Shawn Pearce <spearce@spearce.org>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: git <git@vger.kernel.org>, Jeff King <peff@peff.net>,
	Junio C Hamano <gitster@pobox.com>,
	David Borowitz <dborowitz@google.com>
Subject: Re: reftable [v4]: new ref storage format
Date: Tue, 1 Aug 2017 16:54:55 -0700	[thread overview]
Message-ID: <CAJo=hJv3O98t+GXDmh99EwXziapSmGKKNk075MhP6E0USyMXqQ@mail.gmail.com> (raw)
In-Reply-To: <CAJo=hJvFRJ7honjenB6sUofK14xiUXGwJ1DQHZyTauVKA5v5vw@mail.gmail.com>

On Tue, Aug 1, 2017 at 4:27 PM, Shawn Pearce <spearce@spearce.org> wrote:
> On Mon, Jul 31, 2017 at 11:41 PM, Michael Haggerty <mhagger@alum.mit.edu> wrote:
>> On Sun, Jul 30, 2017 at 8:51 PM, Shawn Pearce <spearce@spearce.org> wrote:
>>> 4th iteration of the reftable storage format.
>>> [...]
>>
>> Before we commit to Shawn's reftable proposal, I wanted to explore
>> what a contrasting design that is not block based would look like.
>
> I forgot to look at a 1k chunk size, as you suggested that might also
> be suitable. Here is the more complete experiment table:
>
>        | size   | seek_cold | seek_hot  |
> mh  1k | 36.6 M | 20.6 usec | 10.7 usec |
> mh  4k | 28.3 M | 24.5 usec | 14.5 usec |
> sp  4k | 29.2 M | 63.0 usec |  5.8 usec |
> sp 64k | 27.7 M | 35.6 usec | 23.3 usec |

Argh. I got that mh 1k size wrong, its actually 29.4M (not 36.6M!).
Sorry for the noise.

  reply	other threads:[~2017-08-01 23:55 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-31  3:51 Shawn Pearce
2017-07-31 17:41 ` Dave Borowitz
2017-07-31 19:01 ` Stefan Beller
2017-07-31 23:05   ` Shawn Pearce
2017-07-31 19:42 ` Junio C Hamano
2017-07-31 23:43   ` Shawn Pearce
2017-08-01 16:08     ` Shawn Pearce
2017-08-01  6:41 ` Michael Haggerty
2017-08-01 20:23   ` Shawn Pearce
2017-08-02  0:49     ` Michael Haggerty
2017-08-01 23:27   ` Shawn Pearce
2017-08-01 23:54     ` Shawn Pearce [this message]
2017-08-02  1:51     ` Michael Haggerty
2017-08-02  2:38       ` Shawn Pearce
2017-08-02  9:28         ` Jeff King
2017-08-02 15:17           ` Shawn Pearce
2017-08-02 16:51             ` Junio C Hamano
2017-08-02 17:28             ` Jeff King
2017-08-02 12:20         ` Dave Borowitz
2017-08-02 17:18           ` Jeff King
2017-08-03 18:38         ` Michael Haggerty
2017-08-03 22:26           ` Shawn Pearce
2017-08-03 22:48             ` Michael Haggerty
2017-08-04  2:50               ` Shawn Pearce
2017-08-05 21:00       ` Shawn Pearce
2017-08-01 13:54 ` Dave Borowitz
2017-08-01 15:27   ` Shawn Pearce
2017-08-02 19:50 ` Junio C Hamano
2017-08-02 20:28   ` Jeff King
2017-08-03 22:17     ` Shawn Pearce
2017-08-03  1:50   ` Junio C Hamano
2017-08-03  2:21     ` Shawn Pearce
2017-08-03  2:36       ` Junio C Hamano
2017-08-02 19:54 ` Stefan Beller

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